Family planning is often regarded as the woman's responsibility, but there is growing recognition of the need to involve men in family planning programs. Since 2001, the fertility-awareness-based Standard Days Method® (SDM) has been introduced in more than 30 countries, providing a natural, effective birth control option. SDM requires the cooperation of the male partner, and its introduction created an opportunity to test innovative strategies to engage couples in family planning. Such strategies included couple counselling, outreach activities that encouraged men to participate in family planning and integration of family planning into traditionally male programs. Due to the SDM's intrinsic characteristics as a couple method, SDM providers are sensitized to the importance of exploring other critical sexual and reproductive health topics, including intimate partner violence, HIV, sexuality and partner communication. This paper presents several case studies describing how men were engaged in SDM introduction activities in four countries.